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Re: Which one is better? SBC 406 or 434?
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Originally Posted by C20-67_N_MO
Hey I got a newbie ?? for you guys.
Do you have to have screw-in studs to run true roller rocker arms?
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No, but I personally wouldn't run more than about .480 or so lift w/pressed in studs. When the spring pressures and valve lifts start to climb, the pressed in studs can pull out of the head.
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Chris
1966 Chevy C10 LWB, 434 sbc, TH350, 12-bolt, factory suspension, pump gas
7.02 @ 95.8, 1.45 60'
1965 Chevy C10 LWB, 355 sbc, TH350, daily driver
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